function checkText(){

 var houseinfo=document.getElementById("houseinfo");
 if(houseinfo.value=="")
 {
  var msg= document.getElementById("houseinfo_msg");
  msg.style.color="#ff0000";
  msg.innerText="*不得为空";
  return false;
 }
 else{
	 var msg= document.getElementById("houseinfo_msg");
     msg.style.color="#009944";
     msg.innerText="*输入正确";
	 return true;
 }
 
}